328040

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 756000

約数和(自身を除く): 427960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 139, 236, 278, 295, 472, 556, 590, 695, 1112, 1180, 1390, 2360, 2780, 5560, 8201, 16402, 32804, 41005, 65608, 82010, 164020, 328040]

約数ペア:

[(1, 328040), (2, 164020), (4, 82010), (5, 65608), (8, 41005), (10, 32804), (20, 16402), (40, 8201), (59, 5560), (118, 2780), (139, 2360), (236, 1390), (278, 1180), (295, 1112), (472, 695), (556, 590)]